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TIL Grace Slick of Jefferson Airplane was the first person to say "fuck" on American TV

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pYRwp TIL: Time spent in outdoor activities in relation to myopia prevention and control: a meta‐analysis and systematic review (Outdoor time is considered to reduce the risk of developing myopia. )
Jbnl TIL It is a felony to taunt a police dog in Pennsylvania but a misdeameanor to have sex with a dog in the same state
wD5E TIL All 24 GPS satellites are equipped with atomic clocks capable of getting the time stamp to a location to the 100 billionth of a second
WRPN TIL in a housing experiment that involved moving families from poor neighborhoods to wealthier neighborhoods, boys experienced PTSD rates comparable to those of combat soldiers. Psychological well-being improved for girls.
nWGMW TIL that there's a turtles species capable of breathing under water through its butt. Cloacal respiration is a built-in scuba diving system